Elasmosaurus closeup
Elasmosaurus is a large member of the family of the Plesiosaurus.  It was a graceful swimmer.  It ate fish by catching by diving under neath schools of fish and eat them.  They were not very fast but, it has a secert weapon.  It is capable of dragong itself onto land or into shallow inlet seas.  This way they can avoid being eaten by larger predators.